YS

Yanqiang Sun

BT Beijing University Of Technology: 1 patents #182 of 570Top 35%
Overall (All Time): #2,495,360 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
11971324 Method for checking or testing the profile of the path of contact of involute helical cylindrical gears Zhaoyao Shi 2024-04-30